SMC (6850490) 685 Hastelloy Poly Check Valve 1/2" NPT Autotrol (1030358) 8 GPM External Drain Flow Control Multiple configuration options allow customized

Multiple configuration options allow customized setups for your specific application requirements

replace Q5520 cartridge annually to prevent bacterial growth and maintain filtration effectiveness

Filter Protection

Installing Your Pentek Valve-In-Head Housing

SMC (6850490) 685 Hastelloy Poly Check Valve 1/2" NPT Autotrol (1030358) 8 GPM External Drain Flow Control Multiple configuration options allow customizedSMC Professional Grade SMC 685 Hastelloy Poly Check Valve 1 2" NPT Polypropylene inline check valve with Viton seals and Hastelloy springs for reliable backflow prevention in demanding water treatment applications Model 6850490 125 PSI WOG Chemical Resistant WHY IT WORKS Built for Corrosive Environments Hastelloy Spring Corrosion resistant Hastelloy spring maintains consistent closing force even in aggressive chemical environments where standard